Re: [PATCH v3 01/49] block: drbd: comment on direct access bvec table

[PATCH v3 00/49] block: support multipage bvec · Ming Lei <hidden> · 2017-08-08
[PATCH v3 01/49] block: drbd: comment on direct access bvec table · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 01/49] block: drbd: comment on direct access bvec table · Christoph Hellwig <hch@infradead.org> · 2017-08-10
[PATCH v3 02/49] block: loop: comment on direct access to bvec table · Ming Lei <hidden> · 2017-08-08
[PATCH v3 03/49] kernel/power/swap.c: comment on direct access to bvec table · Ming Lei <hidden> · 2017-08-08
[PATCH v3 04/49] mm: page_io.c: comment on direct access to bvec table · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 04/49] mm: page_io.c: comment on direct access to bvec table · Christoph Hellwig <hch@infradead.org> · 2017-08-10
[PATCH v3 05/49] fs/buffer: comment on direct access to bvec table · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 05/49] fs/buffer: comment on direct access to bvec table · Christoph Hellwig <hch@infradead.org> · 2017-08-10
[PATCH v3 06/49] f2fs: f2fs_read_end_io: comment on direct access to bvec table · Ming Lei <hidden> · 2017-08-08
[PATCH v3 07/49] bcache: comment on direct access to bvec table · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 07/49] bcache: comment on direct access to bvec table · Coly Li <hidden> · 2017-08-08
Re: [PATCH v3 07/49] bcache: comment on direct access to bvec table · Christoph Hellwig <hch@infradead.org> · 2017-08-10
Re: [PATCH v3 07/49] bcache: comment on direct access to bvec table · Ming Lei <hidden> · 2017-10-19
[PATCH v3 08/49] block: comment on bio_alloc_pages() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 09/49] block: comment on bio_iov_iter_get_pages() · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 09/49] block: comment on bio_iov_iter_get_pages() · Christoph Hellwig <hch@infradead.org> · 2017-08-10
Re: [PATCH v3 09/49] block: comment on bio_iov_iter_get_pages() · Ming Lei <hidden> · 2017-10-19
[PATCH v3 10/49] dm: limit the max bio size as BIO_MAX_PAGES * PAGE_SIZE · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 10/49] dm: limit the max bio size as BIO_MAX_PAGES * PAGE_SIZE · Christoph Hellwig <hch@infradead.org> · 2017-08-10
[PATCH v3 11/49] btrfs: avoid access to .bi_vcnt directly · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 11/49] btrfs: avoid access to .bi_vcnt directly · Christoph Hellwig <hch@infradead.org> · 2017-08-10
Re: [PATCH v3 11/49] btrfs: avoid access to .bi_vcnt directly · Ming Lei <hidden> · 2017-10-19
[PATCH v3 12/49] btrfs: avoid to access bvec table directly for a cloned bio · Ming Lei <hidden> · 2017-08-08
[PATCH v3 13/49] btrfs: comment on direct access bvec table · Ming Lei <hidden> · 2017-08-08
[PATCH v3 14/49] block: bounce: avoid direct access to bvec table · Ming Lei <hidden> · 2017-08-08
[PATCH v3 15/49] bvec_iter: introduce BVEC_ITER_ALL_INIT · Ming Lei <hidden> · 2017-08-08
[PATCH v3 16/49] block: bounce: don't access bio->bi_io_vec in copy_to_high_bio_irq · Ming Lei <hidden> · 2017-08-08
[PATCH v3 17/49] block: comments on bio_for_each_segment[_all] · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 17/49] block: comments on bio_for_each_segment[_all] · Christoph Hellwig <hch@infradead.org> · 2017-08-10
[PATCH v3 18/49] block: introduce multipage/single page bvec helpers · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 18/49] block: introduce multipage/single page bvec helpers · Christoph Hellwig <hch@infradead.org> · 2017-08-10
[PATCH v3 19/49] block: implement sp version of bvec iterator helpers · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 19/49] block: implement sp version of bvec iterator helpers · Christoph Hellwig <hch@infradead.org> · 2017-08-10
[PATCH v3 20/49] block: introduce bio_for_each_segment_mp() · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 20/49] block: introduce bio_for_each_segment_mp() · Christoph Hellwig <hch@infradead.org> · 2017-08-10
Re: [PATCH v3 20/49] block: introduce bio_for_each_segment_mp() · Ming Lei <hidden> · 2017-10-19
[PATCH v3 21/49] blk-merge: compute bio->bi_seg_front_size efficiently · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 21/49] blk-merge: compute bio->bi_seg_front_size efficiently · Christoph Hellwig <hch@infradead.org> · 2017-08-10
[PATCH v3 22/49] block: blk-merge: try to make front segments in full size · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 22/49] block: blk-merge: try to make front segments in full size · Christoph Hellwig <hch@infradead.org> · 2017-08-10
[PATCH v3 23/49] block: blk-merge: remove unnecessary check · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 23/49] block: blk-merge: remove unnecessary check · Christoph Hellwig <hch@infradead.org> · 2017-08-10
[PATCH v3 24/49] block: use bio_for_each_segment_mp() to compute segments count · Ming Lei <hidden> · 2017-08-08
[PATCH v3 25/49] block: use bio_for_each_segment_mp() to map sg · Ming Lei <hidden> · 2017-08-08
[PATCH v3 26/49] block: introduce bvec_for_each_sp_bvec() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 27/49] block: bio: introduce single/multi page version of bio_for_each_segment_all() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 28/49] block: introduce bvec_get_last_page() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 29/49] fs/buffer.c: use bvec iterator to truncate the bio · Ming Lei <hidden> · 2017-08-08
[PATCH v3 30/49] btrfs: use bvec_get_last_page to get bio's last page · Ming Lei <hidden> · 2017-08-08
[PATCH v3 31/49] block: deal with dirtying pages for multipage bvec · Ming Lei <hidden> · 2017-08-08
[PATCH v3 32/49] block: convert to singe/multi page version of bio_for_each_segment_all() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 33/49] bcache: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 33/49] bcache: convert to bio_for_each_segment_all_sp() · Coly Li <hidden> · 2017-08-08
[PATCH v3 34/49] md: raid1: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 35/49] dm-crypt: don't clear bvec->bv_page in crypt_free_buffer_pages() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 36/49] dm-crypt: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 37/49] fs/mpage: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 37/49] fs/mpage: convert to bio_for_each_segment_all_sp() · Christoph Hellwig <hch@infradead.org> · 2017-08-10
Re: [PATCH v3 37/49] fs/mpage: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-10-19
[PATCH v3 38/49] fs/block: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 39/49] fs/iomap: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 40/49] ext4: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 41/49] xfs: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 41/49] xfs: convert to bio_for_each_segment_all_sp() · Darrick J. Wong <hidden> · 2017-08-08
Re: [PATCH v3 41/49] xfs: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-10-19
[PATCH v3 42/49] gfs2: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 43/49] f2fs: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 44/49] exofs: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 45/49] fs: crypto: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 46/49] fs/btrfs: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
Re: [PATCH v3 46/49] fs/btrfs: convert to bio_for_each_segment_all_sp() · Filipe Manana <hidden> · 2017-08-08
Re: [PATCH v3 46/49] fs/btrfs: convert to bio_for_each_segment_all_sp() · kbuild test robot <hidden> · 2017-08-11
[PATCH v3 47/49] fs/direct-io: convert to bio_for_each_segment_all_sp() · Ming Lei <hidden> · 2017-08-08
[PATCH v3 48/49] block: enable multipage bvecs · Ming Lei <hidden> · 2017-08-08
[PATCH v3 49/49] block: bio: pass segments to bio if bio_add_page() is bypassed · Ming Lei <hidden> · 2017-08-08

From: Christoph Hellwig <hch@infradead.org>
Date: 2017-08-10 11:12:53
Also in: linux-fsdevel, linux-mm, lkml

I really don't think that these comments are all that useful.
A big comment near the bi_io_vec field defintion explaining the rules
for access would be a lot better.

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